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remove dc offset from signal going into an op amp

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sanwal209:
You can try DC servo Offset removal circuit or phase lock in amplifier to remove offset.

StillTrying:
What exactly do you want to extract from the signal?  e.g. are you just interested in the edges, or do you need to measure the amplitude of the pulses etc?

That's the vital question, analogue or just digital. If it's just the high/low switching that's needed a 555 run on 5V can be used as the comparator.

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